An Accretionary Prism Is

An accretionary prism is:

A) a wedge-shaped zone of faults, folds, and metamorphosed rocks formed along the upper parts of a subduction zone as material is scraped off
B) an active volcanic arc created by the subduction of one slab of ocean-crust-capped lithosphere beneath another
C) a sedimentary basin formed between a mountain range and the continental interior
D) a triangular-shaped sedimentary structure that allows light to pass through it and into lower areas of the crust